Hardware Spec Index

Brontix FN-8091 Ultra 140mm PWM Case Fan

Case Fans · Brontix · SKU FN8091-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index459 (Case Fans scale)
Category rank#26,204
Street price$19
Power4 W
Performance per dollar24.16
Released2021

Specifications

BrandBrontix
ModelBrontix FN-8091 Ultra
Size140 × 140 × 25 mm
Speed500–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-2329 Ti 140mm PWM Case Fan (3-Pack)515$19Compare
Teralux FN-5053 Plus 140mm PWM ARGB Case Fan1,346$49Compare
Caldera FN-8864 Core 120mm PWM Case Fan693$19Compare
Caldera FN-1200 SE 120mm PWM ARGB Case Fan (3-Pack)841$29Compare
Corvane FN-1075 Prime 120mm PWM Case Fan743$19Compare
Corvane FN-8228 XT 140mm PWM ARGB Case Fan (3-Pack)885$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-8091 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/5283928 (accessed 2026-10-21).